1230455 has 8 divisors (see below), whose sum is σ = 1498992. Its totient is φ = 969408.

The previous prime is 1230433. The next prime is 1230461. The reversal of 1230455 is 5540321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230455 - 2⁶ = 1230391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (187374).

2^1230455 is an apocalyptic number.

1230455 is a deficient number, since it is larger than the sum of its proper divisors (268537).

1230455 is an equidigital number, since it uses as much as digits as its factorization.

1230455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1230455 is about 1109.2587615160. The cubic root of 1230455 is about 107.1573368790.

Adding to 1230455 its reverse (5540321), we get a palindrome (6770776).

The spelling of 1230455 in words is "one million, two hundred thirty thousand, four hundred fifty-five".